CN114000856A - Valve for oil exploitation pipeline - Google Patents
Valve for oil exploitation pipeline Download PDFInfo
- Publication number
- CN114000856A CN114000856A CN202111280359.5A CN202111280359A CN114000856A CN 114000856 A CN114000856 A CN 114000856A CN 202111280359 A CN202111280359 A CN 202111280359A CN 114000856 A CN114000856 A CN 114000856A
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- 238000007789 sealing Methods 0.000 claims abstract description 67
- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 40
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 230000005389 magnetism Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 4
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000003208 petroleum Substances 0.000 description 9
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to the technical field of oil exploitation auxiliary equipment, in particular to a valve for an oil exploitation pipeline, which comprises a valve body, a shell, an end cover, a plurality of sliding rods, a plurality of sealing blocks and a driving assembly, wherein the shell is arranged on the valve body; a flange A is arranged on the connecting pipe A at one end of the shell; a conveying channel is arranged on the mounting part in the shell; the conveying channel is internally provided with an accommodating groove and a sleeve; the end cover is connected with the shell and tightly presses the mounting part, and a connecting pipe B at the other end of the end cover is provided with a flange B; the valve body is matched with the connecting flange A or the flange B; the sliding rod is arranged in the sleeve and is in transmission connection with the driving assembly; the driving assembly is arranged in the shell; the sliding rod is connected with the sealing block; the sealing parts of the sealed conveying channels are enclosed by the sealing blocks; the communication module is in communication connection with the central processing unit; the central processing unit is connected with a plurality of driving components in a control way. The intelligent control valve has high intelligent degree, and can still control the oil pipeline to be stopped after the valve body is damaged.
Description
Technical Field
The invention relates to the technical field of oil exploitation auxiliary equipment, in particular to a valve for an oil exploitation pipeline.
Background
A valve is required to be installed on the petroleum conveying pipeline to control the stopping of the petroleum conveying pipeline; the published document with the authorization bulletin number of CN212616539U describes an anti-backflow oil exploitation valve, which comprises a valve body, wherein a slide bar is vertically and fixedly connected inside the valve body, slide rings are slidably connected to the top and the bottom of the surface of the slide bar, a spring is sleeved on the surface of the slide bar, the outer side of the spring is fixedly connected with the inner side of the slide ring, an inclined hole plate is fixedly connected to the right side of the slide ring, slide grooves are respectively formed in the top and the bottom of the inside of the valve body, a slide block is slidably connected inside the slide grooves, a moving plate is fixedly connected to the inner side of the slide block, a connecting plate is fixedly connected to the left side of the moving plate, a vertical plate is fixedly connected to the left side of the connecting plate, transmission rods matched with the inclined hole plate are fixedly connected to the top and the bottom of the front side of the vertical plate, a connecting rod is fixedly connected to the right side of the moving plate, and a partition plate is vertically and fixedly connected to the right side of the inside of the valve body, the right end of the connecting rod extends to the inside of the partition plate and is fixedly connected with a conical disc;
the valve provided by the published application document can intercept residual oil in the oil conveying pipe after the power end of the oil conveying pipeline stops supplying oil, so that the residual oil in the oil conveying pipe is prevented from flowing back; however, the valve provided in the above-mentioned disclosed technical solution has the following disadvantages:
1. in the disclosed technical scheme, the conical disc is in contact fit with the sealing ring to achieve the purpose of backflow prevention, the conical disc is driven to be separated from the sealing ring through the power of oil flowing in the infusion pipeline, so that the oil can flow in the infusion pipeline, but the difficulty of oil conveying is increased, and more energy is consumed to meet the conveying requirement of the oil in the oil pipeline;
2. the valve provided in the disclosed technical scheme is inconvenient to disassemble so as to clean the interior of the valve; because the oil has certain adhesiveness, the oil is adhered inside the valve for a long time, so that the oil conveying efficiency is greatly reduced, and the service life of the valve is greatly prolonged.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a valve with a backflow preventing function for oil exploitation, which is convenient to disassemble and assemble, does not influence the oil conveying efficiency in an oil pipeline, has double stopping and can prevent oil from flowing back.
The technical scheme of the invention is as follows: a valve for an oil exploitation pipeline comprises a valve body, a shell, an end cover, an installation part, a plurality of sliding rods, a plurality of sealing blocks and a plurality of driving components;
the outer peripheral surface of the shell is provided with a control box, one end of the shell is provided with an opening, and the other end of the shell is provided with a connecting pipe A; a flange A is arranged on the connecting pipe A;
the central axis of the mounting part is parallel to the central axis of the shell, one end of the mounting part is connected with the inner wall of the shell, and the mounting part is provided with a conveying channel along the central axis direction; the inner wall of the conveying channel is provided with an accommodating groove along the inner circumferential direction; the bottom surface of the accommodating groove is provided with a plurality of mounting holes A on the mounting part; a sleeve is arranged in each mounting hole A;
one end of the end cover is connected with one end of the shell, the other end of the mounting part is pressed tightly to seal the opening, and a connecting pipe B is arranged at the other end of the end cover; a flange B is arranged on the connecting pipe B; the connecting pipe B, the conveying channel and the connecting pipe A are communicated in sequence; the port of the valve body is matched with the connecting flange A or the flange B;
the outer peripheral surfaces of the sliding rods are respectively in sealing fit with the inner walls of the sleeves, and one ends of the sliding rods are respectively connected with the driving ends of a plurality of driving assemblies for synchronously driving the sliding rods to reciprocate along the central axis direction of the sliding rods; the plurality of driving assemblies are all arranged between the inner wall of the shell and the peripheral surface of the mounting part; the other ends of the sliding rods are respectively connected with a plurality of sealing blocks; the sealing blocks are hermetically attached to the inner wall of the accommodating groove, and the sealing blocks form a sealing part for plugging the conveying channel when the sealing blocks are gathered;
a central processing unit and a communication module are arranged in the control box; the communication module is in communication connection with the central processing unit and is used for establishing information transmission between the central processing unit and the background terminal; the central processing unit is connected with a plurality of driving components in a control way.
Preferably, the mounting portion includes a connection portion a and a connection portion B;
one end of the connecting part A is provided with a groove A; the bottom surface of the groove A is provided with a through hole A; the outer peripheral surface of one end of the connecting part A is provided with a step groove along the outer peripheral direction;
one end of the connecting part B is provided with a groove B; the bottom surface of the groove B is provided with a through hole B; one end of the connecting part B is provided with an annular plate; under the condition that the connecting part B is matched with the connecting part A to be installed, the annular plate is sleeved on the outer side of the step groove in a threaded mode, and the end face of the connecting part B is tightly pressed on the end face of the connecting part A; the groove B and the groove A form an accommodating groove; the through hole B, the groove A and the through hole A are communicated in sequence to form a conveying channel;
under installation department, shell and the cooperation installation state of end cover, the inner wall of shell is connected to connecting portion A or connecting portion B's one end, and connecting portion B or connecting portion A's the other end compresses tightly the end cover.
Preferably, the end face of the end cap is provided with a sealing groove along the peripheral direction thereof; the other end of the connecting part B or the connecting part A is provided with a plywood; the inserting plate is inserted into the sealing groove in a matched mode and tightly presses the inner wall of the sealing groove; and a sealing layer is arranged on the inner wall of the sealing groove compressed by the inserting plate.
Preferably, the inner diameter of the through hole B gradually increases toward a side away from the groove B in the direction of the central axis thereof;
the inner diameter of the through-hole a gradually increases toward the side away from the groove B in the central axis direction thereof.
Preferably, each driving assembly comprises a plurality of springs, a mounting cylinder, a fixing plate, a sliding block and an electromagnetic module;
each mounting cylinder is connected with the inner wall of the shell, and one end of each mounting cylinder is provided with a guide sleeve;
one end of each sliding rod penetrates through each guide sleeve in an interference manner and is connected with each sliding block; each sliding block is connected with the inner wall of each mounting cylinder in a sliding manner; an iron block is arranged on the end face of each sliding block away from the sliding rod;
the fixing plate is connected with the sliding rods and positioned between the mounting part and the mounting barrel, the plurality of springs are sleeved on the outer side of each sliding rod, and two ends of each spring are respectively connected with the fixing plate and the mounting barrel;
each electromagnetic module is connected with the inner wall of each mounting cylinder far away from the guide sleeve and is electrically connected with the central processor; under the synchronous on state of a plurality of electricity magnetism modules, a plurality of iron blocks are connected to a plurality of magnetism modules magnetic adsorption, and a plurality of sliders move towards a plurality of electricity magnetism modules respectively, and a plurality of springs are all compressed, and a plurality of slide bars and a plurality of sealed pieces are along with a plurality of slider synchronous motion, and a plurality of sealed pieces separate, and transfer passage is switched on.
Preferably, each driving assembly comprises a plurality of springs, a mounting cylinder, a fixing plate, a sliding block and an electromagnetic module;
each mounting cylinder is connected with the inner wall of the shell, and one end of each mounting cylinder is provided with a guide sleeve;
each electromagnetic module is connected with the inner wall of each mounting cylinder close to the guide sleeve; each electromagnetic module is electrically connected with the central processing unit;
each sliding block is connected with the inner wall of each mounting cylinder in a sliding manner, and an iron block is arranged on the end face, facing each electromagnetic module, of each sliding block;
one end of each sliding rod penetrates through each guide sleeve in an interference manner, and one end of each sliding rod penetrates through each electromagnetic module, each iron block and each sliding block in sequence; each sliding rod is connected with each sliding block;
the fixing plate is connected with the sliding rods and positioned between the mounting part and the mounting barrel, the plurality of springs are sleeved on the outer side of each sliding rod, and two ends of each spring are respectively connected with the fixing plate and the mounting barrel;
under the synchronous on state of a plurality of electricity magnetism modules, a plurality of iron blocks are connected to a plurality of magnetism modules magnetic adsorption, and a plurality of sliders move towards a plurality of electricity magnetism modules respectively, and a plurality of springs are all stretched, and a plurality of slide bars and a plurality of sealed piece are gathered together along with a plurality of slider synchronous motion, and transfer passage is blockked up.
Preferably, the device also comprises an impeller, a bracket, a rectifying module and a standby power supply module; the mounting part is provided with a mounting box; an energy conversion module for converting kinetic energy into electric energy is arranged in the mounting box;
the rectification module and the standby power supply module are both arranged in the control box; the standby power supply module is respectively and electrically connected with the rectifying module, the plurality of driving assemblies, the central processor and the communication module;
the bracket is arranged in the conveying channel and is rotatably provided with a rotating shaft; the impeller is connected with the rotating shaft; the rotating shaft is in transmission connection with the energy conversion module; the energy conversion module is electrically connected with the rectification module.
Preferably, the energy conversion module comprises a generator and an acceleration gear assembly;
the accelerating gear assembly is connected with the inner wall of the mounting box, a low-speed input shaft of the accelerating gear assembly is in transmission connection with the rotating shaft, and a high-speed output shaft of the accelerating gear assembly is in transmission connection with the generator; the generator is connected with the inner wall of the mounting box and is electrically connected with the rectifier module.
Preferably, the device further comprises a fastening piece; the end cover is provided with a plurality of mounting holes B; one end of the shell is provided with a plurality of threaded blind holes;
and the fastening pieces are screwed into the mounting holes B and the threaded blind holes in sequence respectively.
The use method of the valve with the backflow prevention function for oil exploitation comprises the following specific steps:
s1, matching a port of the valve body with a connecting flange or flange, and matching the other port of the valve body with the flange or flange to connect an oil pipeline;
s2, controlling the valve body to start, sending an instruction to the central processing unit through the communication module, controlling the plurality of driving assemblies to synchronously operate by the central processing unit so as to drive the plurality of sealing blocks to be separated, and conducting the conveying channel;
when the valve body is damaged, the oil transportation function of the conveying pipeline needs to be stopped, a conveying channel cutting instruction is sent to the central processing unit through the communication module, the central processing unit controls the plurality of driving assemblies to synchronously operate so as to drive the plurality of sealing blocks to gather together, and the conveying channel is blocked.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the valve with the backflow prevention function is used for petroleum exploitation, the plurality of sealing blocks are synchronously driven by the plurality of driving assemblies to dredge or block the conveying channel, oil in the oil conveying pipeline can be prevented from flowing back, the oil conveying pipeline can be stopped after the valve body is damaged, the oil conveying pipeline is prevented from continuously conveying the oil, and the degree of automation is high; the valve can also carry out self-generation through the energy conversion module, so that the reliability of the valve in operation is greatly improved;
the valve with the backflow preventing function is convenient to disassemble, so that parts such as the valve body, the mounting part and the end cover are convenient to clean, the petroleum is prevented from being adhered to the valve, the conveying efficiency of the petroleum is reduced, and the service life of the valve is further prolonged; .
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of the housing and its internal structure of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a perspective view of the end cap of FIG. 1;
FIG. 5 is a schematic block diagram of one embodiment of the present invention;
FIG. 6 is a schematic perspective view of a connecting portion A according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a connecting portion B according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of the drive assembly, slide rod, sleeve and seal block of FIG. 2 in a mated configuration.
Reference numerals: 1. a valve body; 2. a housing; 201. a connecting pipe A; 202. a flange A; 203. a threaded blind hole; 3. a control box; 4. an end cap; 401. a connecting pipe B; 402. a flange B; 5. an installation part; 501. a delivery channel; 502. accommodating grooves; 503. a mounting hole A; 6. an impeller; 7. mounting the cylinder; 71. a slider; 72. an electromagnetic generating module; 73. an iron block; 8. a spring; 9. a slide bar; 10. a sealing block; 11. a sleeve; 12. mounting a box; 13. a fixing plate; 41. a mounting hole B; 42. a sealing groove; 51. a connecting part A; 511. a plywood insertion plate; 512. a step groove; 513. a groove A; 514. a through hole A; 52. a connecting part B; 521. an annular plate; 522. a groove B; 523. and a through hole B.
Detailed Description
Example one
As shown in fig. 1 to 5, the valve for the oil production pipeline provided by the invention comprises a valve body 1, a shell 2, an end cover 4, a mounting part 5, a plurality of sliding rods 9, a plurality of sealing blocks 10 and a plurality of driving components;
the control box 3 is arranged on the peripheral surface of the shell 2, an opening is arranged at one end of the shell 2, a connecting pipe A201 is arranged at the other end of the shell 2, and the shell 2 is of a cylindrical structure with an opening at one end; a flange A202 is arranged on the connecting pipe A201;
the central axis of the mounting part 5 is parallel to the central axis of the shell 2, one end of the mounting part 5 is connected with the inner wall of the shell 2, and the mounting part 5 is provided with a conveying channel 501 along the central axis direction thereof; the projection shape of the mounting part 5 is selected from but not limited to a circular ring shape;
the inner wall of the conveying channel 501 is provided with an accommodating groove 502 along the inner circumferential direction; the bottom surface of the housing groove 502 is provided with a plurality of mounting holes a503 in the mounting portion 5; the mounting holes A503 are uniformly distributed in a circumference manner by taking the central axis of the mounting part 5 as the center, and a sleeve 11 is arranged in each mounting hole A503;
one end of the end cover 4 is connected with one end of the shell 2, the other end of the mounting part 5 is pressed tightly to seal the opening, and the other end of the end cover 4 is provided with a connecting pipe B401; a flange B402 is arranged on the connecting pipe B401; the connecting pipe B401, the conveying channel 501 and the connecting pipe A201 are communicated in sequence;
a mounting flange is arranged on the port of the valve body 1 in a matching manner, and the port of the valve body 1 is connected with the flange A202 or the flange B402 in a matching manner through the mounting flange;
further, the device also comprises a tightening piece; a plurality of mounting holes B41 are formed on the end cover 4; one end of the shell 2 is provided with a plurality of threaded blind holes 203;
the plurality of fastening pieces are screwed into the plurality of mounting holes B41 and the plurality of threaded blind holes 203 in sequence to form a fixed structure, so that the end cover 4 is fixedly connected with the shell 2, and the end cover 4 is convenient to disassemble;
the outer peripheral surfaces of the sliding rods 9 are respectively in sealing fit with the inner walls of the sleeves 11, and one ends of the sliding rods 9 are respectively connected with a plurality of driving ends of driving assemblies for synchronously driving the sliding rods 9 to reciprocate along the central axial direction of the sliding rods 9;
further, the inner wall of each sleeve 11 and the outer wall of each sliding rod 9 are subjected to smooth treatment so as to ensure the sealing property of each sliding rod 9 in the sleeve 11 and the stability of each sliding rod 9 in sliding in the sleeve 11;
a plurality of driving components are arranged between the inner wall of the shell 2 and the peripheral surface of the mounting part 5; the other ends of the sliding rods 9 are respectively connected with a plurality of sealing blocks 10; the sealing blocks 10 are hermetically attached to the inner wall of the accommodating groove 502, and the sealing blocks 10 form a sealing part for plugging the conveying channel 501 in a gathering state of the sealing blocks 10;
further, the projection shape of the sealing part is selected from but not limited to a circle;
a central processing unit and a communication module are arranged in the control box 3; the communication module is in communication connection with the central processing unit and is used for establishing information transmission between the central processing unit and the background terminal; the central processing unit is connected with the plurality of driving assemblies in a control mode, the central processing unit and oil transportation equipment at an oil supply end of an oil transportation pipeline are connected with the mobile terminal, the oil transportation equipment runs, the valve body 1 is opened, and the central processing unit controls the driving assemblies to run so that the oil transportation channels are communicated; when the valve body 1 is damaged, the oil transportation equipment stops running, and the central processing unit controls the driving assembly to run so as to stop the transportation channel and avoid the backflow of oil in the oil transportation channel; when the oil transportation equipment runs and the valve body 1 needs to be closed, and the valve body 1 is damaged, the central processing unit controls the driving assembly to run so as to stop the transportation channel, and oil is prevented from being continuously transported through the oil transportation pipeline;
in one embodiment of the invention, the use method of the valve with the backflow prevention function for oil exploitation comprises the following specific steps:
s1, connecting a port of the valve body 1 with the flange A202 or the flange B402 in a matching way, and connecting the other port of the valve body 1 with the flange B402 or the flange A202 in a matching way with an oil pipeline;
s2, controlling the valve body 1 to start, and sending an instruction to a central processing unit through a communication module, wherein the central processing unit controls a plurality of driving assemblies to synchronously operate so as to drive a plurality of sealing blocks 10 to be separated, and the conveying channel 501 is communicated;
when the valve body 1 is damaged, the oil transportation function of the conveying pipeline needs to be stopped, a conveying channel cutting instruction is sent to the central processing unit through the communication module, the central processing unit controls the plurality of driving assemblies to synchronously operate so as to drive the plurality of sealing blocks 10 to be gathered together, and the conveying channel is blocked.
Example two
As shown in fig. 6 to 7, compared with the first embodiment, the present embodiment further provides a specific structure of the mounting portion 5; the mounting portion 5 includes a connection portion a51 and a connection portion B52;
one end of the connecting part A51 is provided with a groove A513; the bottom surface of the groove A513 is provided with a through hole A514; the inner diameter of the through hole a514 gradually increases toward the side away from the groove B522 in the central axis direction thereof, so that the flow rate of the oil entering the delivery passage 501 increases; a step groove 512 is formed in the outer peripheral surface of one end of the connection portion a51 along the outer peripheral direction thereof;
one end of the connecting part B52 is provided with a groove B522; the bottom surface of the groove B522 is provided with a through hole B523; the inner diameter of the through hole B523 gradually increases toward the side away from the groove B522 in the central axis direction thereof; one end of the connecting part B is provided with an annular plate 521;
when the connecting part B52 is matched with the connecting part A51, the annular plate 521 is sleeved outside the step groove 512 in a threaded manner, and the end face of the connecting part B52 presses the end face of the connecting part A51; the groove B522 and the groove a513 form the accommodation groove 502; the through hole B523, the groove B522, the groove A513 and the through hole A514 are communicated in sequence to form a conveying channel 501; wherein, the plurality of mounting holes A503 are positioned on the connecting part B52 or the connecting part A51;
when the mounting part 5, the shell 2 and the end cover 4 are mounted in a matching way, one end of the connecting part A51 or the connecting part B52 is connected with the inner wall of the shell 2, and the other end of the connecting part B52 or the connecting part A51 presses the end cover 4;
furthermore, one end of the connecting part A51 or the connecting part B52 is connected with the inner wall of the shell 2 in a thread fit connection mode;
in one embodiment of the invention, the connecting part B52 is matched and connected with the connecting part a51 to form a mounting part, so that the sealing blocks 10 are convenient to disassemble and assemble, and the disassembled connecting part B52 and the connecting part a51 are convenient to clean.
EXAMPLE III
Compared with the second embodiment, the valve for the oil exploitation pipeline further provides a mode of improving the sealing performance of the installation part 5 after being connected with the end cover 4;
the end face of the end cover 4 is provided with a sealing groove 42 along the peripheral direction thereof;
the other end of the connecting part B52 or the connecting part A51 is provided with an inserting plate 511; the insertion plate 511 is inserted into the sealing groove 42 in a matching manner and presses the inner wall of the sealing groove 42; a sealing layer is arranged on the inner wall pressed by the sealing groove 42 and the inserting plate 511.
In an embodiment of the present invention, in an installation state of the end cover 4, an end face of the end cover 4 presses an end face of the housing 2, the insertion plate 511 on the connection portion B52 or the connection portion a51 is inserted into the sealing groove 42 on the end cover 4 in a matching manner, the insertion plate 511 presses an inner wall of the sealing groove 42, and a sealing layer is filled between the insertion plate 511 and the inner wall of the sealing groove 42, so that a sealing property between the end cover 4 and the connection portion B52 or the connection portion a51 is greatly improved, that is, a sealing property between the end cover 4 and the installation portion 5 is improved.
Example four
As shown in fig. 8, compared with the first embodiment, the present invention further provides a specific structure of the driving assembly; each driving assembly comprises a plurality of springs 8, a mounting cylinder 7, a fixing plate 13, a sliding block 71 and an electromagnetic module 72;
each mounting cylinder 7 is connected with the inner wall of the shell 2, and one end of each mounting cylinder 7 is provided with a guide sleeve;
one end of each sliding rod 9 penetrates through each guide sleeve in an interference manner and extends into the mounting cylinder 7, and one end of each sliding rod 9 is connected with each sliding block 71; each sliding block 71 is slidably connected with the inner wall of each mounting cylinder 7; an iron block 73 is arranged on the end face of each sliding block 71 away from the sliding rod 9;
the fixed plate 13 is connected with the slide rods 9 and is positioned between the mounting part 5 and the mounting barrel 7, the plurality of springs 8 are sleeved on the outer side of each slide rod 9, and two ends of each spring 8 are respectively connected with the fixed plate 13 and the mounting barrel 7;
each electromagnetic module 72 is connected with the inner wall of each mounting cylinder 7 far away from the guide sleeve, and each electromagnetic module 72 is electrically connected with the central processing unit; when the plurality of electromagnetic modules 72 are in a synchronous power-on state, the plurality of electromagnetic modules 72 are magnetically attracted and connected with the plurality of iron blocks 73, the plurality of sliders 71 respectively move towards the plurality of electromagnetic modules 72, the plurality of springs 8 are compressed, the plurality of sliding rods 9 and the plurality of sealing blocks 10 synchronously move along with the plurality of sliders 71, the plurality of sealing blocks 10 are separated, and the conveying channel 501 is conducted; on the contrary, under the synchronous power-off state of the plurality of electromagnetic modules 72, under the elastic force of the plurality of springs 8, the plurality of electromagnetic modules 72 are separated from the plurality of iron blocks 73; the plurality of iron blocks 73, the plurality of sliders 71, the plurality of slide bars 9, and the plurality of seal blocks 10 move toward the side away from the plurality of electromagnetic modules 72, the plurality of seal blocks 10 are gathered, and the conveyance path 501 is blocked.
EXAMPLE five
Compared with the fourth embodiment, the valve for the oil exploitation pipeline provided by the invention also provides another working mode of the driving assembly; each driving assembly comprises a plurality of springs 8, a mounting cylinder 7, a fixing plate 13, a sliding block 71 and an electromagnetic module 72;
each mounting cylinder 7 is connected with the inner wall of the shell 2, and one end of each mounting cylinder 7 is provided with a guide sleeve;
each electromagnetic module 72 is connected with the inner wall of each mounting cylinder 7 close to the guide sleeve; each electromagnetic module 72 is electrically connected with the central processor;
each sliding block 71 is connected with the inner wall of each mounting barrel 7 in a sliding manner, and an iron block 73 is arranged on the end face, facing each electromagnetic module 72, of each sliding block 71;
one end of each sliding rod 9 penetrates through each guide sleeve in an interference manner and extends into the mounting cylinder 7, and one end of each sliding rod 9 penetrates through each electromagnetic module 72, each iron block 73 and each sliding block 71 in sequence; each slide bar 9 is connected with each slide block 71;
the fixed plate 13 is connected with the slide rods 9 and is positioned between the mounting part 5 and the mounting barrel 7, the plurality of springs 8 are sleeved on the outer side of each slide rod 9, and two ends of each spring 8 are respectively connected with the fixed plate 13 and the mounting barrel 7;
under the synchronous power-on state of the plurality of electromagnetic modules 72, the plurality of electromagnetic modules 72 are magnetically attracted and connected with the plurality of iron blocks 73, the plurality of sliding blocks 71 respectively move towards the plurality of electromagnetic modules 72, the plurality of springs 8 are all stretched, the plurality of sliding rods 9 and the plurality of sealing blocks 10 synchronously move along with the plurality of sliding blocks 71, the plurality of sealing blocks 10 are gathered, and the conveying channel 501 is blocked; on the contrary, under the synchronous power-off state of the plurality of electromagnetic modules 72, under the elastic force of the plurality of springs 8, the plurality of electromagnetic modules 72 are separated from the plurality of iron blocks 73; the plurality of iron blocks 73, the plurality of sliders 71, the plurality of slide bars 9, and the plurality of seal blocks 10 move toward the side away from the plurality of electromagnetic modules 72, the plurality of seal blocks 10 are separated, and the conveyance path 501 is conducted.
EXAMPLE six
Compared with the first embodiment, the valve for the oil exploitation pipeline further comprises an impeller 6, a support, a rectifying module and a standby power supply module; the mounting part 5 is provided with a mounting box; an energy conversion module for converting kinetic energy into electric energy is arranged in the mounting box; the energy conversion module comprises a generator and an acceleration gear assembly;
the rectification module and the standby power supply module are both arranged in the control box 3; the standby power supply module is respectively and electrically connected with the rectifying module, the plurality of driving assemblies, the central processor and the communication module; the rectification module is electrically connected with the energy conversion module;
the bracket is arranged in the conveying channel 501, and a rotating shaft is rotatably arranged on the bracket; the impeller 6 is connected with the rotating shaft; the rotating shaft is in transmission connection with the energy conversion module, namely the rotating shaft is in transmission connection with a low-speed input shaft of the acceleration gear assembly; the accelerating gear assembly is connected with the inner wall of the mounting box, and a high-speed output shaft of the accelerating gear assembly is in transmission connection with the generator; the generator is connected with the inner wall of the mounting box and is electrically connected with the rectifying module;
the rotating shaft is perpendicular to the central axis of the low-speed input shaft of the speed gear assembly, the low-speed input shaft of the speed gear assembly is rotatably connected with the mounting part 5 and hermetically extends into the conveying channel 501, and the rotating shaft is connected through the bevel gear set in a transmission manner.
In one embodiment of the invention, the kinetic energy generated by the flow of the conveyed petroleum is converted into electric energy by the arranged energy conversion module and is stored in the standby power module, and when an external power supply cannot normally supply power to the driving assembly, the central processing unit and the communication module, the standby power module supplies power.
EXAMPLE seven
The method for disassembling and cleaning the valve with the backflow prevention function for oil exploitation specifically comprises the following steps:
s101, detaching the valve body 1, the shell 2 and the end cover 4 from the petroleum conveying pipeline;
if the two ends of the end cover 4 are respectively connected with the valve body 1 and the shell 2, the end cover 4 is respectively separated from the valve body 1 and the shell 2;
if the end cover 4 and the valve body 1 are respectively arranged at two sides of the shell 2, the end cover 4 and the shell 2 are respectively disassembled, and the valve body 1 and the shell 2 are respectively disassembled;
s102, cleaning the disassembled end cover 4 and the valve body 1;
s103, the mounting portion 5 is removed from the housing 2, the connection portion a51 and the connection portion B52 assembled to the mounting portion 5 are separated, and the inside of the connection portion a51, the inside of the connection portion B52, and the plurality of seal blocks 10 are cleaned.
The valve with the backflow preventing function is convenient to disassemble and assemble, the mounting part 5 can be disassembled to clean the inside of the mounting part 5 conveniently, and the phenomenon that petroleum adheres to the inner wall of the mounting part 5 after long-time use to reduce the conveying efficiency of the petroleum is avoided.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. The valve for the oil exploitation pipeline is characterized by comprising a valve body (1), a shell (2), an end cover (4), an installation part (5), a plurality of sliding rods (9), a plurality of sealing blocks (10) and a plurality of driving components;
a control box (3) is arranged on the peripheral surface of the shell (2), one end of the shell (2) is provided with an opening, and the other end of the shell (2) is provided with a connecting pipe A (201); a flange A (202) is arranged on the connecting pipe A (201);
one end of the mounting part (5) is connected with the inner wall of the shell (2), and the mounting part (5) is provided with a conveying channel (501) along the central axis direction thereof; the inner wall of the conveying channel (501) is provided with an accommodating groove (502) along the inner circumferential direction; the bottom surface of the accommodating groove (502) is provided with a plurality of mounting holes A (503) on the mounting part (5); a sleeve (11) is arranged in each mounting hole A (503);
one end of the end cover (4) is connected with one end of the shell (2) and tightly presses the other end of the mounting part (5), and the other end of the end cover (4) is provided with a connecting pipe B (401); a flange B (402) is arranged on the connecting pipe B (401); the connecting pipe B (401), the conveying channel (501) and the connecting pipe A (201) are communicated in sequence; the port of the valve body (1) is matched with the connecting flange A (202) or the flange B (402);
the outer peripheral surfaces of the sliding rods (9) are respectively in sealing fit with the inner walls of the sleeves (11), and one ends of the sliding rods (9) are respectively connected with the driving ends of a plurality of driving assemblies for synchronously driving the sliding rods (9) to reciprocate along the central axis direction of the sliding rods; the plurality of driving components are all arranged between the inner wall of the shell (2) and the outer peripheral surface of the mounting part (5); the other ends of the sliding rods (9) are respectively connected with a plurality of sealing blocks (10); the sealing blocks (10) are all in sealing fit with the inner wall of the accommodating groove (502), and the sealing blocks (10) form a sealing part for plugging the conveying channel (501) when the sealing blocks (10) are gathered;
a central processor and a communication module are arranged in the control box (3); the communication module is in communication connection with the central processing unit and is used for establishing information transmission between the central processing unit and the background terminal; the central processing unit is connected with a plurality of driving components in a control way.
2. The valve for oil extraction pipelines according to claim 1, wherein the mounting portion (5) comprises a connection portion a (51) and a connection portion B (52);
one end of the connecting part A (51) is provided with a groove A (513); the bottom surface of the groove A (513) is provided with a through hole A (514); a step groove (512) is arranged on the outer peripheral surface of one end of the connecting part A (51) along the outer peripheral direction;
one end of the connecting part B (52) is provided with a groove B (522); the bottom surface of the groove B (522) is provided with a through hole B (523); one end of the connecting part B is provided with an annular plate (521); when the connecting part B (52) is matched with the connecting part A (51) to be installed, the annular plate (521) is sleeved on the outer side of the stepped groove (512) in a threaded mode, and the end face of the connecting part B (52) presses the end face of the connecting part A (51); the groove B (522) and the groove A (513) form an accommodating groove (502); the through hole B (523), the groove B (522), the groove A (513) and the through hole A (514) are communicated in sequence to form a conveying channel (501);
under the matching installation state of the installation part (5), the shell (2) and the end cover (4), one end of the connecting part A (51) or the connecting part B (52) is connected with the inner wall of the shell (2), and the other end of the connecting part B (52) or the connecting part A (51) is pressed on the end cover (4).
3. The valve for oil extraction pipeline according to claim 2, characterized in that the end face of the end cap (4) is provided with a seal groove (42) along the outer circumferential direction thereof; the other end of the connecting part B (52) or the connecting part A (51) is provided with an inserting plate (511); the inserting plate (511) is inserted into the sealing groove (42) in a matching manner and compresses the inner wall of the sealing groove (42); and a sealing layer is arranged on the inner wall pressed by the sealing groove (42) and the inserting plate (511).
4. The valve for oil production piping according to claim 2, wherein the inner diameter of the through hole B (523) is gradually increased toward the side away from the groove B (522) in the central axis direction thereof;
the inner diameter of the through hole a (514) gradually increases toward the side away from the groove B (522) in the central axis direction thereof.
5. The valve for oil extraction pipelines according to claim 1, wherein each driving assembly comprises a plurality of springs (8), a mounting cylinder (7), a fixing plate (13), a slider (71) and an electromagnetic module (72);
each mounting cylinder (7) is connected with the inner wall of the shell (2), and one end of each mounting cylinder (7) is provided with a guide sleeve; one end of each sliding rod (9) penetrates through each guide sleeve in an interference manner and is connected with each sliding block (71); each sliding block (71) is connected with the inner wall of each mounting cylinder (7) in a sliding manner; an iron block (73) is arranged on the end face of each sliding block (71) far away from the sliding rod (9);
the fixed plate (13) is connected with the sliding rods (9) and is positioned between the mounting part (5) and the mounting barrel (7), the plurality of springs (8) are sleeved on the outer side of each sliding rod (9), and two ends of each spring (8) are respectively connected with the fixed plate (13) and the mounting barrel (7);
each electromagnetic module (72) is connected with the inner wall, away from the guide sleeve, of each mounting cylinder (7), and each electromagnetic module (72) is electrically connected with the central processing unit; under the synchronous power-on state of the electromagnetic modules (72), the electromagnetic modules (72) are magnetically attracted and connected with the iron blocks (73), the sliding blocks (71) move towards the electromagnetic modules (72) respectively, the springs (8) are compressed, the sliding rods (9) and the sealing blocks (10) move synchronously along with the sliding blocks (71), the sealing blocks (10) are separated, and the conveying channel (501) is conducted.
6. The valve for oil extraction pipelines according to claim 1, wherein each driving assembly comprises a plurality of springs (8), a mounting cylinder (7), a fixing plate (13), a slider (71) and an electromagnetic module (72);
each mounting cylinder (7) is connected with the inner wall of the shell (2), and one end of each mounting cylinder (7) is provided with a guide sleeve; each electromagnetic module (72) is connected with the inner wall of each mounting cylinder (7) close to the guide sleeve; each electromagnetic module (72) is electrically connected with the central processing unit;
each sliding block (71) is connected with the inner wall of each mounting cylinder (7) in a sliding manner, and an iron block (73) is arranged on the end face, facing each electromagnetic module (72), of each sliding block (71);
one end of each sliding rod (9) penetrates through each guide sleeve in an interference manner, and one end of each sliding rod (9) penetrates through each electromagnetic module (72), each iron block (73) and each sliding block (71) in sequence; each sliding rod (9) is connected with each sliding block (71);
the fixed plate (13) is connected with the sliding rods (9) and is positioned between the mounting part (5) and the mounting barrel (7), the plurality of springs (8) are sleeved on the outer side of each sliding rod (9), and two ends of each spring (8) are respectively connected with the fixed plate (13) and the mounting barrel (7);
under the synchronous circular telegram state of a plurality of electricity magnetism modules (72), a plurality of iron plates (73) are connected in a plurality of magnetism absorption of electricity magnetism modules (72), a plurality of slider (71) move towards a plurality of electricity magnetism modules (72) respectively, a plurality of springs (8) are all stretched, a plurality of slide bars (9) and a plurality of sealed piece (10) are along with a plurality of slider (71) synchronous motion, a plurality of sealed piece (10) are gathered together, transfer passage (501) is blockked up.
7. The valve of claim 1, further comprising a fastener; the end cover (4) is provided with a plurality of mounting holes B (41); one end of the shell (2) is provided with a plurality of threaded blind holes (203);
the plurality of fastening pieces are screwed into the plurality of mounting holes B (41) and the plurality of threaded blind holes (203) in sequence.
8. The use method of the valve with the backflow prevention function for oil exploitation according to any one of claims 1 to 7, characterized by comprising the following specific steps:
s1, connecting a port of the valve body (1) with a flange A (202) or a flange B (402) in a matching way, and connecting the other port of the valve body (1) with the flange B (402) or the flange A (202) in a matching way with an oil pipeline;
s2, controlling the valve body (1) to start, sending an instruction to a central processing unit through a communication module, controlling a plurality of driving assemblies to synchronously operate by the central processing unit so as to drive a plurality of sealing blocks (10) to be separated, and conducting a conveying channel (501);
when the valve body (1) is damaged, the oil transportation function of a conveying pipeline needs to be stopped, a conveying channel cutting instruction is sent to the central processing unit through the communication module, the central processing unit controls the plurality of driving assemblies to synchronously run so as to drive the plurality of sealing blocks (10) to be gathered together, and the conveying channel is blocked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280359.5A CN114000856B (en) | 2021-11-01 | 2021-11-01 | Valve for petroleum exploitation pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280359.5A CN114000856B (en) | 2021-11-01 | 2021-11-01 | Valve for petroleum exploitation pipeline |
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| CN114000856B CN114000856B (en) | 2024-05-07 |
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| CN114000856B (en) | 2024-05-07 |
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